高温合金铸锭均匀化程度对开坯热变形的再结晶影响
董建新(
),李林翰,李浩宇,张麦仓,姚志浩
),李林翰,李浩宇,张麦仓,姚志浩
EFFECT OF EXTENT OF HOMOGENIZATION ON THE HOT DEFORMATION RECRYSTALLIZATION OF SUPERALLOY INGOT IN COGGING PROCESS
Jianxin DONG(),Linhan LI,Haoyu LI,Maicang ZHANG,Zhihao YAO
),Linhan LI,Haoyu LI,Maicang ZHANG,Zhihao YAO
图13. GH4738合金在1150 ℃下均匀化退火不同时间的显微组织
Fig.13. Microstructures of as-cast GH4738 alloy (a) and under homogenization at 1150 ℃ for 12 h (b), 24 h (c) and 50 h (d)
